CN202975754U - A power control system of multiple controllers and engineering machinery equipment - Google Patents
A power control system of multiple controllers and engineering machinery equipment Download PDFInfo
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- CN202975754U CN202975754U CN2012206636680U CN201220663668U CN202975754U CN 202975754 U CN202975754 U CN 202975754U CN 2012206636680 U CN2012206636680 U CN 2012206636680U CN 201220663668 U CN201220663668 U CN 201220663668U CN 202975754 U CN202975754 U CN 202975754U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides a power control system of multiple controllers and engineering machinery equipment. The power control system comprises multiple relays, wherein one end of each relay of the multiple relays is connected with one controller of the multiple controllers, and the other end of each relay is grounded; and the multiple relays are interlocked. The power control system no longer depend on human power for switching states of the controllers, the relays connected with the controllers can be in the same state through an interlocking mechanism, and thus a problem that safety hidden trouble exists when the controller is manually switched to a power supply state is solved, and reliability of operation and upgrading of the equipment is enhanced.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of power control system and engineering mechanical device of multi-controller.
Background technology
Along with the function of modern project plant equipment is more and more, steering logic becomes increasingly complex, and the software engineer understands the BUG (mistake) in irregular discovery procedure; Or equipment is when working in the open air, control problem or other failure conditions appear, these situations do not need the maintainer to the scene, as long as there is GPS (Global Position System at the scene, referred to as GPS) signal or GPRS (General Packet Radio Service, referred to as GPRS) network signal, program that just can the remote automatic upgrading controller, the BUG in repair procedure or solve the field control problem.The structural representation of the controller in remote automatic upgrading engineering mechanical device as shown in Figure 1, wherein, this project plant equipment comprises a plurality of controllers that connect by bus (CANBUS), be respectively controller 1 in figure, controller 2 ..., controller n; And display screen 11, wherein, display screen 11 is industrial LCD, possesses the devices such as CPU and internal memory, can monitor and control operation the circuit that connects.The maintainer upgrades by the controller in 12 pairs of this project plant equipment of GPS terminal.
In the process of remote upgrade director demon, for guaranteeing the security of field staff and equipment, engineering equipment can not be worked while upgrading, and must quit work to guarantee the reliable upgrading of director demon.And director demon is in escalation process, and state changes, i.e. running status (RUN)-〉 halted state (STOP)-〉 running status (RUN).For preventing the unexpected output of controller or upgrading unsuccessfully, the equipment that is not upgraded can not be in running order.
The power supply loop schematic diagram of controller as shown in Figure 2, wherein, controller 21 has three power supply access point: VBB_S, VBB_R, VBB_O, is connected with the positive pole (+) of power supply 22 by relay 23,24,25 respectively; The access point that controller 21 is connected with the negative pole (-) of power supply 22 is GND_S, GND_R, GND_O.VBB_S is the primary power of controller, connects this controller operation after this power end; VBB_R is the power input of this controller internal relay; VBB_O is the externally power end of output of controller, and controller is in power supply state and refers to only VBB_S connection, and VBB_R holds, the VBB_O end is in off-state; VBB_R end, the in a single day connection of VBB_O end, the output signal that just controller can be sent transfers to destination device, therefore usually VBB_R end, VBB_O end is called signal and exports the control power supply.
For the security in the process that guarantees upgrade controller, at present usually need the maintainer to inform that the field personnel is manually switched to power supply state (ACC ON with controller to be upgraded, also referred to as running status, this state controller is only switched on, and can not produce output signal); And in order to save cost, usually power supply is controlled in the signal output of controlling on each controller by a switch, due to staff's carelessness now, in the process of certain controller upgrading, can cause forgetting this switch of disconnection, cause not that the relay current supply circuit of upgrade controller can not be cut off, still have signal output, cause the loss of personnel and equipment.
There is the problem of potential safety hazard to power supply state for manual switchover controller in correlation technique, not yet proposes at present effective solution.
The utility model content
The utility model purpose is to provide a kind of power control system and engineering mechanical device of multi-controller, to improve the security of controller escalation process.
The utility model provides a kind of power control system of multi-controller, comprising: a plurality of relays, and an end of each relay in a plurality of relays is connected with a controller in a plurality of controllers, other end ground connection; A plurality of relays are interlocked relationship.
Above-mentioned a plurality of relay is that interlocked relationship comprises: the first auxiliary contact of current relay is arranged at the power input of the controller of next relay connection, and the second auxiliary contact of current relay is arranged at the power output end of the controller of next relay connection.
Said system also comprises: the starting relay that is connected with display screen, the first auxiliary contact of this starting relay is arranged at the power input of Assign Controller in above-mentioned a plurality of controller, and the second auxiliary contact of this starting relay is arranged at the power output end of Assign Controller; This starting relay is used for connecting the first auxiliary contact, the second auxiliary contact of self, so that above-mentioned a plurality of controller switches to duty by power supply state under the indication of display screen.
The utility model also provides a kind of engineering mechanical device, comprise: display screen and a plurality of controller, this project plant equipment also comprises above-mentioned power control system, so that a controller in a plurality of controller when being in upgrade status, all switches to power supply state with a plurality of controllers.
Whether above-mentioned display screen is connected with above-mentioned multi-controller by bus, upgrade and complete in order to detect the controller of upgrading in a plurality of controllers by bus, if so, sends the indication that starts a plurality of controllers.
The utility model is by the interlocking mechanism between the relay of a plurality of controllers connections, can no longer rely on the state of manual switching controller, the relay that each controller connects can be in identical state by interlocking mechanism, solve the problem of potential safety hazard that manually this controller switching existed to power supply state, strengthened the reliability of equipment operation with upgrading.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the controller in the remote automatic upgrading engineering mechanical device of correlation technique;
Fig. 2 is the power supply loop schematic diagram of the controller of correlation technique;
Fig. 3 is the structural representation according to the power control system of two controllers of the utility model embodiment;
Fig. 4 is the connection diagram according to display screen and the starting relay of the utility model embodiment; And
Fig. 5 is another structural representation according to the power control system of two controllers of the utility model embodiment.
Embodiment
Hereinafter also describe in conjunction with the embodiments the utility model in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
Consider that engineering mechanical device is provided with a plurality of controllers usually, and certain controller needs power supply to open could to carry out smoothly in the process of upgrading, need manually each controller switching to power supply state, because personnel's carelessness causes this manual mode to have certain security hidden trouble, the utility model provides a kind of power control system and engineering mechanical device of multi-controller, is described below by embodiment.
The present embodiment provides a kind of power control system of multi-controller, comprising: a plurality of relays, and each relay one end in these a plurality of relays is connected with a controller in a plurality of controllers, other end ground connection; These a plurality of relays are interlocked relationship, for example: the first auxiliary contact of current relay is arranged at the power input VBB_R of the controller of next relay connection, the second auxiliary contact of current relay is arranged at the power output end VBB_O of the controller of next relay connection, circulation according to this.
The present embodiment is by the interlocking mechanism between the relay of a plurality of controllers connections, can no longer rely on the state of manual switching controller, the relay that each controller connects can be in identical state by interlocking mechanism, solve the problem of potential safety hazard that manually this controller switching existed to power supply state, strengthened the reliability of equipment operation with upgrading.
For convenience of description, the present embodiment describes as an example of two controllers example, the structural representation of the power control system of two controllers as shown in Figure 3, and wherein, power supply describes as an example of+24v example, and this system comprises following element:
The relay 33 that is connected with controller 31, the relay 34 that is connected with controller 32; The equal ground connection of the other end of relay 33 and relay 34 (GND);
The first auxiliary contact of relay 33 (being expressed as 331 and 333 in figure) is arranged at the power input (i.e. VBB_R2 in figure) of controller 32;
The second auxiliary contact of relay 33 (being expressed as 335 and 337 in figure) is arranged at the power output end (i.e. VBB_O2 in figure) of controller 32;
The first auxiliary contact of relay 34 (being expressed as 342 and 344 in figure) is arranged at the power input (i.e. VBB_R1 in figure) of controller 31;
The second auxiliary contact of relay 34 (being expressed as 346 and 348 in figure) is arranged at the power output end (i.e. VBB_O1 in figure) of controller 31;
When the program of controller 31 is carried out remote upgrade, can automatically enter into the STOP state, relay 33 cuts out, therefore the first auxiliary contact 331,333 and second auxiliary contact 335,337 of relay 33 all are in off-state, and then the VBB_R of controller 32 holds and the VBB_O end will not have the power supply input, make controller 32 be in power supply state, guaranteed the security of whole system.
In like manner, when the program of controller 32 is carried out remote upgrade, can automatically enter into the STOP state.Relay 34 cuts out, and the VBB_R1 of controller 31 and VBB_O1 will not have the power supply input.
For can be when controller be normal, automatically the state with controller switches to duty, the power control system of the multi-controller of the present embodiment also comprises: the starting relay that is connected with display screen, the first auxiliary contact of starting relay is arranged at the power input of Assign Controller in a plurality of controllers, and the second auxiliary contact of starting relay is arranged at the power output end of Assign Controller; This starting relay is used for connecting the first auxiliary contact, the second auxiliary contact of self, so that a plurality of controller switches to duty by power supply state under the indication of display screen.
The below is that example describes based on the structural representation of the power control system of two controllers shown in Figure 3, display screen shown in Figure 4 and the connection diagram of starting relay, and wherein, display screen 41 connects a relay 42.The starting relay of these relay 42 conducts to the relay current supply circuit of two controllers shown in Figure 3.
Another structural representation of the power control system of two controllers shown in Figure 5, this system is except comprising circuit devcie shown in Figure 3, also comprise: be provided with first auxiliary contact (being expressed as 421 and 422 in figure) of relay 42 at the power input VBB_R1 of controller 31, be provided with second auxiliary contact (being expressed as 423 and 424 in figure) of relay 42 at the power output end VBB_O1 of controller 31, after system powers on, after display screen two controllers 31 of 41 judgements and 32 normal operations, communication normally, relay 42 is connected; The VBB_R1 of controller 31 and VBB_O1 get electric; After the normal operation of controller 31, relay 33 is connected.VBB_R2 end and the VBB_O2 of controller 32 hold electricly; After the normal operation of controller 32, relay 34 is connected.At this moment, the connection of display screen 41 closed relay 42.The power supply of the external output of controller 31 and controller 32 relies on the auxiliary contact interlocking of relay 33 and relay 34.Controller 31 and controller 32 can normally move and externally output.
After the program upgrade of controller 31 is complete, after display screen 41 detects whole system (comprising: controller 31 and controller 32) normal operation, communication normal (being the heartbeat signal that controller 31 and controller 32 are arranged on bus), relay 42 is connected, after controller 31 normal operations, controller 32 also can work.
In the utility model design, when certain controller is in upgrade status, the relay power loop cut-out automatically of other controllers, the safety of assurance equipment.Upgrade successfully when display screen detects controller, send signal.The relay power loop recovery of whole controller is normal.
After upgrading unsuccessfully for director demon, the present embodiment can rely on display screen and guarantee that whole controller does not have power supply output.
The present embodiment also provides a kind of engineering mechanical device, and the most engineering mechanical device includes 1 to 2 controller, and what have also can comprise 4 or more controller.The engineering mechanical device of the present embodiment comprises: display screen and a plurality of controller, and this project plant equipment also comprises above-mentioned power control system, so that a controller in a plurality of controller when being in upgrade status, all switches to power supply state with a plurality of controllers.
The display screen of the present embodiment is connected with above-mentioned multi-controller by bus, in order to whether to upgrade by the controller of upgrading in a plurality of controllers of this bus detection complete, if so, send the indication that starts a plurality of controllers, for example: the indication information of connecting above-mentioned starting relay.
This shows, the controller power source interlock circuit of the engineering mechanical device of the present embodiment does not need manual intervention, avoid the malignant event that causes because manually-operated is improper, can realize truly safety upgrade, avoided the accident output of controller fully.
In above-described embodiment all two controllers be the explanation that example is carried out, certainly, according to the actual number of controller, the circuit of above-mentioned power control system can extend arbitrarily, the multi-controller circuit is applicable equally.
As can be seen from the above description, the utility model the above embodiments provide a kind of practicality, effective, safe controller secure electric power loop, when guaranteeing the director demon remote upgrade, other controllers are in the Safety output state, guarantee the safety of whole equipment.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the power control system of a multi-controller, is characterized in that, comprising:
A plurality of relays, an end of each relay in described a plurality of relays is connected with a controller in a plurality of controllers, the other end ground connection of described each relay;
Described a plurality of relay is interlocked relationship.
2. power control system according to claim 1, is characterized in that, described a plurality of relays are that interlocked relationship comprises:
The first auxiliary contact of current relay is arranged at the power input of the controller of next relay connection, and the second auxiliary contact of described current relay is arranged at the power output end of the controller of described next relay connection.
3. power control system according to claim 1, is characterized in that, also comprises:
The starting relay that is connected with display screen, the first auxiliary contact of described starting relay is arranged at the power input of Assign Controller in described a plurality of controller, and the second auxiliary contact of described starting relay is arranged at the power output end of described Assign Controller; Described starting relay is used for connecting described the first auxiliary contact and described the second auxiliary contact of self, so that described a plurality of controller switches to duty by power supply state under the indication of described display screen.
4. engineering mechanical device, comprise: display screen and a plurality of controller, it is characterized in that, described engineering mechanical device also comprises the described power control system of any one in claims 1 to 3, so that a controller in described a plurality of controller when being in upgrade status, all switches to power supply state with described a plurality of controllers.
5. engineering mechanical device according to claim 4, it is characterized in that, described display screen is connected with described multi-controller by bus, in order to whether to upgrade by the controller of upgrading in the described a plurality of controllers of described bus detection complete, if so, send the indication that starts described a plurality of controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206636680U CN202975754U (en) | 2012-12-05 | 2012-12-05 | A power control system of multiple controllers and engineering machinery equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206636680U CN202975754U (en) | 2012-12-05 | 2012-12-05 | A power control system of multiple controllers and engineering machinery equipment |
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| CN202975754U true CN202975754U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206636680U Expired - Fee Related CN202975754U (en) | 2012-12-05 | 2012-12-05 | A power control system of multiple controllers and engineering machinery equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792532A (en) * | 2020-06-24 | 2020-10-20 | 中联重科股份有限公司 | Multi-controller self-adaptive installation method and equipment |
| CN113219859A (en) * | 2021-05-07 | 2021-08-06 | 中车青岛四方车辆研究所有限公司 | Multi-channel expandable flexible networking power supply control method and system |
-
2012
- 2012-12-05 CN CN2012206636680U patent/CN202975754U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792532A (en) * | 2020-06-24 | 2020-10-20 | 中联重科股份有限公司 | Multi-controller self-adaptive installation method and equipment |
| CN111792532B (en) * | 2020-06-24 | 2021-10-22 | 中联重科股份有限公司 | Multi-controller self-adaptive installation method and equipment |
| CN113219859A (en) * | 2021-05-07 | 2021-08-06 | 中车青岛四方车辆研究所有限公司 | Multi-channel expandable flexible networking power supply control method and system |
| CN113219859B (en) * | 2021-05-07 | 2022-06-07 | 中车青岛四方车辆研究所有限公司 | Multi-channel expandable flexible networking power supply control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151205 |
|
| EXPY | Termination of patent right or utility model |